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8423384841 = 32305932
BaseRepresentation
bin1111101100001001…
…01010011100001001
3210202001002021201100
413312010222130021
5114222341303331
63511502212013
7415511406204
oct76604523411
923661067640
108423384841
113632865783
121770b84009
13a431816b1
1459c9d893b
1534477cae6
hex1f612a709

8423384841 has 9 divisors (see below), whose sum is σ = 12167509159. Its totient is φ = 5615406336.

The previous prime is 8423384831. The next prime is 8423384911. The reversal of 8423384841 is 1484833248.

It is a happy number.

The square root of 8423384841 is 91779.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 5708558025 + 2714826816 = 75555^2 + 52104^2 .

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 8423384841 - 213 = 8423376649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8423384831) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 260041 + ... + 290633.

Almost surely, 28423384841 is an apocalyptic number.

8423384841 is the 91779-th square number.

8423384841 is the 45890-th centered octagonal number.

It is an amenable number.

8423384841 is a deficient number, since it is larger than the sum of its proper divisors (3744124318).

8423384841 is an frugal number, since it uses more digits than its factorization.

8423384841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61192 (or 30596 counting only the distinct ones).

The product of its digits is 589824, while the sum is 45.

The cubic root of 8423384841 is about 2034.6773362496.

The spelling of 8423384841 in words is "eight billion, four hundred twenty-three million, three hundred eighty-four thousand, eight hundred forty-one".

Divisors: 1 3 9 30593 91779 275337 935931649 2807794947 8423384841